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- Title
中国氦气资源分区特征与成藏模式.
- Authors
张 驰; 关 平; 张济华; 宋丹丹; 任嘉豪
- Abstract
Helium is the inert gas with the lowest known melting and boiling points. It has extremely special physical properties and is widely used in many high-precision fields. However, with the increasing demand for helium in China, the rising price of imported helium, and the tightening of export policies of major foreign helium-producing countries, China is facing a serious situation of helium resource security. The helium-rich basins in China are widely distributed horizontally and have obvious zoning characteristics, with significant differences between the eastern and central-western helium-bearing basins. The eastern helium-bearing basins have crustal helium and mixed crust-mantle helium with the latter predominating, and is mainly controlled by tectonic factors and mantle-derived fluids, while the central and western helium-bearing basins are dominated by crustal helium. The helium is distributed in all stratigraphic ages vertically, and the helium content has the characteristics of “high at both ends and low in the middle”. The role of helium source rocks, tectonic factors, transport carriers, and capping conditions in helium reservoir formation is clearly identified, and the helium reservoir formation pat‐ terns in the eastern and central-western helium-bearing basins in China have been summarized accordingly. Ac‐ cording to two groups of mutual constraints in helium accumulation: the mutual constraints of gas reservoir generation and tectonic activity, it is pointed out that “flux difference” is the key parameter for helium accumulation. The following suggestions are made for the exploration and development of helium resources in China: Re‐ source assessment work should be carried out around the eastern basins with the mixing of crustal and mantle re‐ sources, the construction of helium separation and extraction equipment should be accelerated for the central and western helium-bearing fields to promote the industrial development of helium resources, and the importance of helium resource assessment work in unconventional gas reservoirs should be increased.
- Subjects
CHINA; GAS reservoirs; BOILING-points; NOBLE gases; MELTING points; INDUSTRIALIZATION; GAS condensate reservoirs; URANIUM-lead dating; HELIUM atom
- Publication
Natural Gas Geoscience, 2023, Vol 34, Issue 4, p656
- ISSN
1672-1926
- Publication type
Article
- DOI
10.11764/j.issn.1672-1926.2022.10.016